SG119285A1 - Optical disc drive apparatus and method - Google Patents
Optical disc drive apparatus and methodInfo
- Publication number
- SG119285A1 SG119285A1 SG200504125A SG200504125A SG119285A1 SG 119285 A1 SG119285 A1 SG 119285A1 SG 200504125 A SG200504125 A SG 200504125A SG 200504125 A SG200504125 A SG 200504125A SG 119285 A1 SG119285 A1 SG 119285A1
- Authority
- SG
- Singapore
- Prior art keywords
- optical disc
- disc drive
- drive apparatus
- optical
- drive
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/094—Methods and circuits for servo offset compensation
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/900,924 US7298677B2 (en) | 2004-07-28 | 2004-07-28 | Optical disc drive apparatus and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG119285A1 true SG119285A1 (en) | 2006-02-28 |
Family
ID=35311661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG200504125A SG119285A1 (en) | 2004-07-28 | 2005-06-29 | Optical disc drive apparatus and method |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7298677B2 (en) |
| EP (1) | EP1622134B1 (en) |
| JP (1) | JP2006040526A (en) |
| KR (1) | KR101144883B1 (en) |
| CN (1) | CN1747029A (en) |
| DE (1) | DE602005009292D1 (en) |
| SG (1) | SG119285A1 (en) |
| TW (1) | TWI373042B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7768878B2 (en) * | 2005-07-12 | 2010-08-03 | Hewlett-Packard Development Company, L.P. | Actuator calibration using a focus error signal |
| US7636280B2 (en) * | 2005-09-30 | 2009-12-22 | Hewlett-Packard Development Company, L.P. | Calibration of lens position in an optical disc drive |
| WO2007066251A1 (en) * | 2005-12-08 | 2007-06-14 | Koninklijke Philips Electronics N.V. | Method and apparatus for detecting cracks in an optical record carrier |
| CN101086849A (en) * | 2006-06-09 | 2007-12-12 | 华硕电脑股份有限公司 | Temperature gain compensation control system and method for CD volume recording |
| US8036082B2 (en) * | 2006-12-08 | 2011-10-11 | Mitsubishi Electric Corporation | Optical disk drive carry out focus pulling-in with improved operation accuracy |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63217535A (en) | 1987-03-05 | 1988-09-09 | Canon Inc | Optical information reproducer |
| JPH01105338A (en) | 1987-07-14 | 1989-04-21 | Mitsubishi Electric Corp | Optical recording and reproducing device |
| JPH04206037A (en) * | 1990-11-30 | 1992-07-28 | Teac Corp | Optical disk apparatus |
| JPH067310A (en) | 1992-06-25 | 1994-01-18 | Kuraray Co Ltd | Electrode for biomedicine |
| JPH06274912A (en) | 1993-03-22 | 1994-09-30 | Alpine Electron Inc | Optical pick-up servo circuit |
| JPH07211025A (en) | 1994-01-20 | 1995-08-11 | Ricoh Co Ltd | Optical disc drive apparatus |
| JP3791723B2 (en) * | 1997-08-28 | 2006-06-28 | 富士通株式会社 | Optical storage |
| JP3689232B2 (en) | 1997-10-27 | 2005-08-31 | ペンタックス株式会社 | Optical information recording / reproducing head |
| JP2000090563A (en) | 1998-09-11 | 2000-03-31 | Victor Co Of Japan Ltd | Optical disk player |
-
2004
- 2004-07-28 US US10/900,924 patent/US7298677B2/en not_active Expired - Fee Related
-
2005
- 2005-06-28 TW TW094121617A patent/TWI373042B/en not_active IP Right Cessation
- 2005-06-29 SG SG200504125A patent/SG119285A1/en unknown
- 2005-06-30 DE DE602005009292T patent/DE602005009292D1/en active Active
- 2005-06-30 EP EP05014293A patent/EP1622134B1/en not_active Expired - Fee Related
- 2005-07-14 KR KR1020050063731A patent/KR101144883B1/en not_active IP Right Cessation
- 2005-07-27 JP JP2005217315A patent/JP2006040526A/en active Pending
- 2005-07-27 CN CNA2005100895648A patent/CN1747029A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP1622134B1 (en) | 2008-08-27 |
| CN1747029A (en) | 2006-03-15 |
| US7298677B2 (en) | 2007-11-20 |
| EP1622134A2 (en) | 2006-02-01 |
| KR101144883B1 (en) | 2012-05-14 |
| US20060023593A1 (en) | 2006-02-02 |
| EP1622134A3 (en) | 2007-05-23 |
| DE602005009292D1 (en) | 2008-10-09 |
| TW200606910A (en) | 2006-02-16 |
| TWI373042B (en) | 2012-09-21 |
| KR20060050169A (en) | 2006-05-19 |
| JP2006040526A (en) | 2006-02-09 |
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